Traction battery pack separator and ventilation path establishment method

The invention provides a traction battery pack separator and ventilation path establishment method. A traction battery pack assembly includes: a battery pack housing providing an interior region; and at least one cell stack, the at least one cell stack comprising a battery cell and at least one separator distributed along the axis of the cell stack. The at least one divider divides the interior region into a plurality of compartments. Each of the compartments accommodates at least one of the battery cells. 本公开提供了"牵引电池包分隔件和通风路径建立方法"。一种牵引电池包总成包括：电池包外壳，所述电池包外壳提供内部区域；以及至少一个电芯堆，所述至少一个电芯堆包括电池电芯和沿着电芯堆轴线分布的至少一个分隔件。所述至少一个分隔件将所述内部区域划分为多个隔室。所述隔室中的每一者容纳所述电池电芯中的至少一者。